Sapphirine and Moldavite Physical Properties

Sapphirine

Moldavite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.40-3.582.32-2.38

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

{010} Perfect

Not Available

1.7 Mohs Hardness

7.55.5

2 10

1.8 Chemical Composition

(Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

Sapphirine and Moldavite Chemical Formula

While comparing Sapphirine and Moldavite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Sapphirine and Moldavite chemical formula.

Chemical formula of Sapphirine- (Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Moldavite- SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

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Sapphirine and Moldavite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphirine and Moldavite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphirine and Moldavite Optical Properties during the identification of gemstone. Specific gravity of Sapphirine is 2.32-2.38 whereas that of Moldavite is 2.32-2.38.